[TIMOB-16950] Blackberry : Titanium.UI.AlertDialog.hide() prevents any use of other dialog

Problem Description

if i hide one Titanium.UI.AlertDialog with .hide(), other dialogs after this will not show up too! Example: If a AlertDialog is hidden by .hide(), the Dialog can not be shown again using .show(). Happens on Blackberry Simulator an on device.

Steps to reproduce

1. Create a new mobile project with bb support 2. Add this to app.js:

var win = Ti.UI.createWindow(
var other = Ti.UI.createAlertDialog(

{ message: 'Message', buttonNames: ['OK'] }
); 
var a = Ti.UI.createAlertDialog(

{ message: 'Message', buttonNames: [] }
); 
a.show(); 
a.hide(); 
other.show();

3. Run this in the emulator.

Expected results

The app showing the "other" alert dialog.

Actual results

The app doesn't show any dialog after using the .hide function in at least one dialog